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Suppression of Undesired Reflection Using a Spatial Filtering on Bistatic Radar Cross Section Measurements within a Near Zone

Hiroyoshi YAMAZAKI, Kohji KOSHIJI

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Summary :

Spatial filtering is a useful method to suppress undesired reflection from unwanted scatters in Radar Cross Section (RCS) measurements. Actually, it is difficult to prepare an ideal field which satisfies the far-field criterion for RCS measurements of large targets. We applied the filtering method to a bistatic RCS measurement in a near field and investigated the validity of that method by varying the scanning angular span. Electromagnetic simulations show that predicted RCS profiles from near-field data with unwanted scatters closely matched far-field reference data of the test target. In conclusion, the results show that the method is effective for bistatic RCS measurements in practical field enviroments.

Publication
IEICE TRANSACTIONS on Communications Vol.E91-B No.6 pp.2077-2080
Publication Date
2008/06/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e91-b.6.2077
Type of Manuscript
LETTER
Category
Sensing

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